260555006665201 has 4 divisors (see below), whose sum is σ = 275881771763172. Its totient is φ = 245228241567232.

The previous prime is 260555006665153. The next prime is 260555006665237. The reversal of 260555006665201 is 102566600555062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 244895582739600 + 15659423925601 = 15649140^2 + 3957199^2 .

It is a cyclic number.

It is not a de Polignac number, because 260555006665201 - 2⁷ = 260555006665073 is a prime.

It is a super-2 number, since 2×260555006665201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260555006695201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7663382548960 + ... + 7663382548993.

It is an arithmetic number, because the mean of its divisors is an integer number (68970442940793).

Almost surely, 2^{260555006665201} is an apocalyptic number.

It is an amenable number.

260555006665201 is a deficient number, since it is larger than the sum of its proper divisors (15326765097971).

260555006665201 is a wasteful number, since it uses less digits than its factorization.

260555006665201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326765097970.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 260555006665201 in words is "two hundred sixty trillion, five hundred fifty-five billion, six million, six hundred sixty-five thousand, two hundred one".